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Details

changing earth
vocabulary
11
Science
5th Grade
04/13/2011

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Cards

Term
4 layers of the earth
Definition

1.crust

2.mantle

3.outer core

4.inner core

Term
The Lithosphere
Definition
The Lithosphere is made of the crust and top mantle
Term
Plate
Definition
a section of the lithosphere is called a plate
Term
The three major plate boundaries
Definition

The three major plate boundaries are:

divergent

convergent

and lateral

Term
What causes earthquakes
Definition
Earthquakes happen at fault zones to release energy
Term
How do volcanoes form
Definition

As one plate moves beneath the other as rock partially

melts to create magma

Term
constructive vs. destructive
Definition
constructive=making new crust and destructive=destroying
Term
two types of weathering
Definition

chimical=caused by acid

machanical=physical weathering

Term
Parts and layers of soil
Definition

1.topsoil holds decayed matter which is great for plants

2.subsoil is  a soil below the topsoil but has less decayed matter

3.bedrock is nearly solid rock

Term
wave erosion
Definition
The shore line is formed by waves hitting shore at a angle
Term
Wind erosion
Definition
Farmers are effected by losing topsoil if they don't churn the topsoil,topsoil would be lost
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